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gr-qc2026
Vacuum energy problem in anti-de Sitter space
E. V. Arbuzova, A. D. Dolgov
We investigate the cosmological evolution of a universe with an initially large negative vacuum energy, corresponding to an anti-de Sitter (AdS) space-time. Such a universe inevita…
astro-ph.CO2026
Possible explanation of primordial Li deficit
E. V. Arbuzova, A. D. Dolgov
A reduction mechanism of the theoretically predicted excessive abundance of Li via baryons evaporated by primordial black holes is suggested. It is shown that the fraction of $…